MAKE A MEME
View Large Image
| View Original: | Antena-section1.JPG (3648x2736) | |||
| Download: | Original | Medium | Small | Thumb |
| Courtesy of: | commons.wikimedia.org | More Like This | ||
| Keywords: Antena-section1.JPG en Slotted waveguide antenna of S-band 2 - 4 GHz marine radar with section of plastic cover cut away to show internal construction Exhibit in Gdynia Maritime School Poland This common type of marine radar antenna consists of a waveguide in a V-shaped metal reflector with many slots cut in it It radiates a narrow vertical fan-shaped beam of microwaves perhaps 15° high and 2-3° wide perpendicular to the long axis of the antenna When installed in a ship a motor in the housing below it rotates the bar-shaped antenna about a vertical axis scanning the beam around the horizon to search for other ships pl Przekrój przez antenę szczelinową radaru pasma S own Ciacho5 2009-09-05 Exhibit in Gdynia Maritime School Radar antennas Civilian ship radars Waveguide antennas | ||||
